Question

In the reaction 3cu+8hno33cu(no3)2 +2no+4h2o what is the equivalent weight of hno3? If molecular weight of hno3 is m -

Answer 1

Answer : In this case only 2mol of NOө3 undergo reduction.

In this case only 2mol of NOө3 undergo reduction.3e−+NOө3→NO(x=3) (reduction)

In this case only 2mol of NOө3 undergo reduction.3e−+NOө3→NO(x=3) (reduction)x−6=−1

In this case only 2mol of NOө3 undergo reduction.3e−+NOө3→NO(x=3) (reduction)x−6=−1x−2=0

In this case only 2mol of NOө3 undergo reduction.3e−+NOө3→NO(x=3) (reduction)x−6=−1x−2=0x=5,x=2

In this case only 2mol of NOө3 undergo reduction.3e−+NOө3→NO(x=3) (reduction)x−6=−1x−2=0x=5,x=26mol of HNO3 are not changing so 6NOө3 are added in the reaction to get 3mol of Cu(NO3)2.

In this case only 2mol of NOө3 undergo reduction.3e−+NOө3→NO(x=3) (reduction)x−6=−1x−2=0x=5,x=26mol of HNO3 are not changing so 6NOө3 are added in the reaction to get 3mol of Cu(NO3)2.∴Ew=M+M3=4M3=4×633

Explanation:

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